Extends php BCMath lib for missing functions like floor, ceil, round, abs, min, max, rand for big numbers. Also wraps existing BCMath functions.

This article was originally published with the title “ A Plan for Converting the Sahara Desert into a Sea ” in Scientific American Magazine Vol. 107 No. 6 (August 1912), p. 114 doi:10.1038 ...

Download our classroom activities, created by Amazing People Schools and adapted for BBC Terrific Scientific, and find out more about Charles Darwin, Isaac Newton, William Harvey, Sanford Fleming ...